1. Which of the following carrier or sine wave characteristics is measured or stated in Hertz?

A. duplex

B. frequency

2. Which of the following methods encodes one or more bit values within a sine wave by varying the height of the wave's power peaks?

A. parity modulation

B. phase-shift modulation (or phase-shift keying

C. wave-division multiplexing

D. frequency modulation (or frequency-shift keying)

E. circuit switching

F. amplitude modulation (or amplitude-shift keying)

3. One complete sine wave _________ encompasses the wave's change in amplitude from zero power, to positive peak, back to zero power, to negative peak, and back to zero power.

4. The __________ of a communication channel or transmission medium is the diffrence between the highest and lowest signal frequencies that it can reliably transport.

5. A ___________________ is a set of communication rules and conventions adopted by both sender and receiver to enable bit values to be encoded by the sender, transported across a medium, and decoded (understood) by the receiver